Features Nylon 4way stretch, Lycra (fingers) Artificial leather on the palm and soft polyester lining Knuckle protector Touchscreen fabric on the index finger (smartphone use) Protective reinforcement on the back Velcro wrist closure Leather puller to easily put on the glove Technologies AVS- Richa air ventilation/circulation system through closable air vent zippers, mesh panels, ... 3M Thinsulate insulation is warm yet lightweigt, powerful yet thin. It helps trap body heat, while allowing moisture to escape.